WEBVTT HE'S TARGETING LEGAL GUN OWNERS. THE EYE'S TODD KAZAKIEWICH IS AT THE NEWSROOM WITH NEW DETAILS. TODD: THE MAYOR AND POLICE COMMISSIONER HAVE MADE NO SECRET OF THEIR FRUSTRATION WITH A SPIKE IN SHOOTINGS THIS SUMMER. AND NOW THEY HAVE A NEW TARGET. SO FAR THIS YEAR, POLICE HAVE TRACKED 135 SHOOTINGS, INCLUDING THIS ONE JUST A FEW WEEK AGO NEAR A PUBLIC POOL IN ROXBURY WHERE KIDS WERE PLAYING. A NEW STUDY FINDS THAT 63% OF SHOOTINGS IN RECENT YEARS INVOLVED GUNS THAT SHOULD HAVE BEEN IN MASSACHUSETTS DATABASES. POLICE SHOULD HAVE BEEN ABLE TO TRACK THEM. SO, THE MAYOR IS SENDING LETTERS TO ALL OF THE CITY'S 8,000 LICENSED GUN OWNERS. THEY'RE BEING REMINDED THAT THEY ARE REQUIRED TO REPORT WHEN GUNS ARE SOLD, LOST, OR STOLEN. IF THEY DON'T REPORT, THEY COULD BE FINED UP TO $1,000 UNDER STATE LAW. MAYOR WALSH IS ALSO ORGANIZING A